Season 2 Episode 11 - The Tok'ra (1)

Through a dream, Captain Carter sees herself as Jolinar of Malkshur, running through a maze of blue walls and brightly coloured people. She stops at a DHD to dail an address. This, so she claims, is the Tok'ra base. So, SG-1 goes off the contact the Tok'ra, however, Captain Carter's father, Jacob, has cancer and it is getting whorse.